CN115575618A - Continuous standard concentration gas generator and use method thereof - Google Patents
Continuous standard concentration gas generator and use method thereof Download PDFInfo
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- CN115575618A CN115575618A CN202211190982.6A CN202211190982A CN115575618A CN 115575618 A CN115575618 A CN 115575618A CN 202211190982 A CN202211190982 A CN 202211190982A CN 115575618 A CN115575618 A CN 115575618A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 238000009833 condensation Methods 0.000 claims abstract description 15
- 230000005494 condensation Effects 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 40
- 239000007788 liquid Substances 0.000 claims description 11
- 238000005485 electric heating Methods 0.000 claims description 10
- 238000000889 atomisation Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 115
- 239000000243 solution Substances 0.000 description 91
- 241000463219 Epitheca Species 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/497—Physical analysis of biological material of gaseous biological material, e.g. breath
- G01N33/4972—Determining alcohol content
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/007—Arrangements to check the analyser
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/007—Arrangements to check the analyser
- G01N33/0072—Arrangements to check the analyser by generating a test gas
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Abstract
The invention discloses a continuous standard concentration gas generator and a using method thereof, wherein the gas generator comprises a bottle body provided with a first cavity, a bubble disc positioned in the first cavity, a magnetic device and a first condenser pipe; a second cavity is arranged in the bubble disc, and the first cavity is communicated with the second cavity; the stirring assembly comprises a magnetic bar, a motor and a magnetic device, the magnetic bar is positioned at the bottom of the first cavity, the magnetic device is connected with an output shaft of the motor and is positioned right below the magnetic bar, and the magnetic bar is magnetically connected with the magnetic device; the heating component is positioned below the bottle body and is contacted with the bottom of the bottle body; the first condensation pipe comprises a first outer pipe and a first inner pipe; first outer tube cup joints on first inner tube, after the air process bubble dish, can produce a large amount of bubbles, makes the contact surface area increase of air and solution, and the heating element makes the molecule of solution move to the air in easily simultaneously, and the magnetic rod lets the bubble disperse in the solution, the easier mixing of air and solution.
Description
Technical Field
The invention relates to a continuous standard concentration gas generator and a using method thereof, belonging to the technical field of gas generation
Background
The alcohol detector is a tool for traffic police law enforcement, belongs to a metering instrument, and has legality only when the alcohol detector is verified by a metering department and obtains a verification certificate. How to verify an alcohol detector? First, standard alcohol gas is required. The standard alcohol gases currently used for the assay are divided into two categories: dry gas, and wet gas. So-called wet gas, is a standard alcohol gas produced by a wet alcohol simulator; the dry gas is standard alcohol gas prepared by a weighing method and filled in a steel cylinder, and the alcohol gas has no water, so the dry gas is called as the dry gas. Because the dry gas tracing method is simple, the national regulation uses certified first-class gas standard substances of ethanol (alcohol) gas in the air as tracing standards, but the first-class standard alcohol gas is expensive, the steel cylinder gas is not easy to transport, the capacity is limited, and the using times are few, so the verification rule also allows the use of the standard alcohol gas generated by various ethanol (alcohol) gas generating source devices, and provides tracing requirements such as stability, uncertainty and the like for the standard alcohol gas generated by the devices;
the existing gas generator generates gas with certain concentration in a gas-liquid equilibrium state by using alcohol aqueous solution with certain volume and concentration, the concentration is kept constant in a certain time, and the gas generator can be used for continuously verifying and calibrating instruments, but the original equilibrium state cannot be continued beyond the time limit, and the gas concentration can be gradually reduced, so that the reproducibility of the alcohol gas in the air prepared by the method is poor, and the efficiency is low; it is therefore desirable to design a continuous standard concentration gas generator and method of use.
Disclosure of Invention
In view of the above-mentioned problems, the present invention provides a continuous standard concentration gas generator capable of stably supplying a concentration gas
A continuous standard concentration gas generator comprises a liquid storage component, a stirring component, a heating component and a gas condensation component;
the liquid storage component comprises a bottle body provided with a first cavity, a bubble tray positioned in the first cavity, a first inlet and a first outlet, wherein the first inlet and the first outlet are arranged on the wall of the bottle body and communicated with the first cavity; a second cavity is arranged in the bubble disc, a second inlet and a plurality of second outlets which are communicated with the second cavity and the first cavity are also arranged on the bubble disc, the second inlet is directly connected with the first inlet, and the first cavity and the second cavity are communicated through the plurality of second outlets;
the stirring assembly comprises a magnetic bar, a motor and a magnetic device, the magnetic bar is positioned at the bottom of the first cavity, the motor and the magnetic device are positioned at the bottom of the outer side of the first cavity, the magnetic device is connected with an output shaft of the motor, the magnetic device is positioned right below the magnetic bar, and the magnetic bar is magnetically connected with the magnetic device;
the heating component is positioned below the bottle body and is contacted with the bottom of the bottle body;
the gas condensing assembly is communicated with the first outlet.
The technical proposal is further improved as follows; the bubble dish comprises epitheca, inferior valve, first gasket, second gasket, and the through-hole has been seted up to the inferior valve, and the epitheca block is in the one end of through-hole, and the other end laminating of second gasket and through-hole, first gasket are located between epitheca and the inferior valve, and the cavity that epitheca, inferior valve, second gasket enclose is the second cavity, and the second entry is seted up on the inferior valve, and a plurality of second exports are seted up on the epitheca.
Further, the liquid storage assembly also comprises a vibration cutting assembly, and the vibration cutting assembly comprises a vibrator, a connecting rod and a cutting net; the cutting net is located in the first cavity and located right above the bubble disc, one end of the connecting rod is connected with the cutting net, and the other end of the connecting rod penetrates through the bottle body to be connected with the output end of the vibrator.
Further, the heating assembly comprises a heating wire and an electric wire, the heating wire is electrically connected with the electric wire, and the heating wire is contacted with the bottom of the bottle body.
Furthermore, the gas condensing assembly comprises a condensing atomization assembly, the condensing atomization assembly comprises a condensing box, a water storage tank and an atomizer, a sixth cavity is formed in the condensing box, an eighth inlet and an eighth outlet which are communicated with the sixth cavity are formed in the outer wall of the condensing box, the first outlet is communicated with the eighth inlet, the water storage tank is provided with a seventh cavity, a ninth outlet connected with the seventh cavity is formed in the bottom of the water storage tank, the sixth cavity is communicated with the seventh cavity, and the atomizer is connected with the ninth outlet.
Further, the gas condensing assembly comprises a first condensing pipe, and the first condensing pipe comprises a first outer pipe and a first inner pipe; the first outer pipe is sleeved on the first inner pipe, a third cavity is arranged on the first outer pipe, and a third inlet and a third outlet which are communicated with the third cavity are arranged on the pipe wall of the first outer pipe; the first inner pipe is provided with a fourth cavity, the pipe wall of the first inner pipe is provided with a fourth inlet and a fourth outlet which are communicated with the fourth cavity, and the third inlet is communicated with the first outlet.
The gas condensation assembly further comprises a second condensation pipe, the second condensation pipe comprises a second outer pipe and a second inner pipe, the second outer pipe is sleeved on the second inner pipe, the second inner pipe is provided with a fifth cavity, and a fifth inlet and a fifth outlet which are communicated with the fifth cavity are formed in the pipe wall of the second inner pipe; a sixth cavity is arranged on the second outer pipe, and a sixth inlet and a sixth outlet which are communicated with the sixth cavity are arranged on the pipe wall of the second outer pipe; the third outlet is communicated with the fifth inlet.
Further, the gas condensation assembly further comprises a three-way electromagnetic valve A and a three-way electromagnetic valve B, a connector A1 of the three-way electromagnetic valve A is communicated with the first outlet, a connector A2 of the three-way electromagnetic valve A is communicated with the third inlet, a connector A3 of the three-way electromagnetic valve A is communicated with the outside, when the three-way electromagnetic valve A is at the first working position, the connector A1 is communicated with the connector A3, the connector A2 is closed, when the three-way electromagnetic valve A is at the second working position, the connector A2 is communicated with the connector A3, and the connector A1 is closed;
a connector B1 of the three-way electromagnetic valve B is communicated with the third outlet, a second connector of the second three-way electromagnetic valve is communicated with a fifth inlet of the second inner pipe, and a connector B2 of the three-way electromagnetic valve B is communicated with the second inflator pump; when the three-way electromagnetic valve B is at the first working position, the interface B1 is communicated with the interface B3, the interface B2 is disconnected, and when the three-way electromagnetic valve B is at the second working position, the interface B1 is communicated with the interface B2, and the interface B3 is disconnected.
Furthermore, the gas condensation assembly further comprises a multi-way pipe and an alcohol sensor, a first interface of the multi-way pipe is communicated with a fifth outlet of the second inner pipe, a second interface of the multi-way pipe is connected with the alcohol sensor, and a third interface of the multi-way pipe is communicated with the outside.
A use method of a continuous standard concentration gas generator is applied to the continuous standard concentration gas generator, and the method comprises the following steps: pouring the solution into the first cavity of the bottle body; switching the three-way electromagnetic valve and the three-way electromagnetic valve to a second working position, starting a motor to drive the magnetic device to rotate so as to drive the magnetic rod to rotate so as to stir the solution stored in the first cavity, and simultaneously starting the electric heating wire to heat the solution stored in the first cavity; when the real-time temperature of the solution exceeds a preset threshold value, the first air pump blows air into the second cavity, the air forms a plurality of bubbles through a plurality of second outlets, the vibrator is started to drive the cutting net to vibrate, so that the cutting net cuts the bubbles into smaller bubbles, and the bubbles are contacted with the solution to generate gas containing the solution;
switching the three-way electromagnetic valve and the three-way electromagnetic valve to a first working position, introducing a cold medium into the first inner tube, introducing a hot medium into the second outer tube, cooling excessive water vapor in the solution-containing gas into condensed water when the solution-containing gas passes through the first outer tube, heating the solution-containing gas to a concentration set threshold value when the solution-containing gas passes through the second inner tube, then discharging the solution-containing gas from a third interface of the multi-way tube, detecting the content of alcohol in the solution-containing gas by an alcohol sensor, increasing the power of the electric heating wire if the content of alcohol in the solution-containing gas is lower than the concentration set threshold value, and reducing the power of the electric heating wire if the temperature of the solution-containing gas is higher than the concentration set threshold value;
when the volume of the condensed water in the first outer pipe is higher than a preset water level setting threshold value, the three-way electromagnetic valve and the three-way electromagnetic valve are switched to a second working position, the second inflator pump is started, gas is introduced into the first outer pipe, the condensed water in the first outer pipe is discharged from the interface, when the condensed water in the first outer pipe is completely discharged, the three-way electromagnetic valve and the three-way electromagnetic valve are switched to the first working position, and the output of solution-containing gas is continued.
According to the technical scheme, the method comprises the following steps: the continuous standard concentration gas generator provided by the invention has the advantages that air is blown into the solution stored in the first cavity through the first inflator pump, and a large amount of bubbles are generated after the air passes through the bubble disc, so that the contact surface area of the air and the solution is increased, the air and the solution are fully contacted, and the air outlet precision of the exhaled gas containing the solution is improved; meanwhile, the solution stored in the first cavity is heated by the heating component, so that the molecular motion degree of the solution is increased, the molecules of the solution are easy to move into the air, the air outlet efficiency is increased, and the power of the electric heating wire is improved along with the reduction of the alcohol concentration in the solution, so that the molecules of the solution are easy to move into the air, and the concentration of the exhaled gas containing the solution is kept in a stable range; and the magnetic bar rotates all the time, so that the bubbles are dispersed in the solution, the air and the solution are easier to mix, and meanwhile, the heat transfer in the solution can be increased, so that the temperature of the solution is more uniform.
The first condensation pipe cools the excessive water vapor in the solution-containing gas into condensed water to remove the excessive water vapor in the solution-containing gas, and the first condensation pipe heats the solution-containing gas to 34-37 ℃ to better simulate the solution-containing gas exhaled by a human body.
Because the condensed water is distributed on the tube wall of the first outer tube and is far away from the third interface of the multi-pass tube, the result that the condensed water cannot be estimated due to a calibration sensor and equipment connected with the third interface of the multi-pass tube is avoided; and meanwhile, the working positions of the three-way electromagnetic valve A and the three-way electromagnetic valve B are switched, so that the condensed water can be discharged from the first outer pipe in time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a continuous standard concentration gas generator according to the present invention;
FIG. 2 is a schematic view of a bottle cap for a continuous standard concentration gas generator according to the present invention;
FIG. 3 is a schematic diagram of the structure of the upper body of the continuous standard concentration gas generator according to the present invention;
FIG. 4 is a schematic view of the structure of the lower body of the continuous standard concentration gas generator according to the present invention;
FIG. 5 is a schematic cross-sectional view of a lower body of a continuous standard concentration gas generator according to the present invention;
FIG. 6 is an exploded view of a bubble tray in a continuous standard concentration gas generator provided by the present invention;
FIG. 7 is a schematic diagram of a magnetic stirrer in a continuous standard concentration gas generator according to the present invention;
FIG. 8 is a schematic structural view of a base plate in a continuous standard concentration gas generator according to the present invention;
FIG. 9 is a schematic diagram of another continuous standard concentration gas generator according to the present invention;
FIG. 10 is a schematic cross-sectional view of a base plate in another continuous standard concentration gas generator provided by the present invention;
in the figure: 1. a liquid storage assembly; 10. a bottle body; 101. a bottle cap; 102. the bottle body is arranged; 103. a bottle body is put down; 104. a first inlet; 105. a first outlet; 11. a bubble tray; 111. an upper shell; 112. a lower case; 113. a first spacer; 114. a second gasket; 115. a second inlet; 116. a second outlet; 12. a first inflator;
2. a stirring assembly; 20. a magnetic bar; 21. a motor; 22. a magnetic device;
3. a gas condensing assembly; 30. a first condenser pipe; 301. a first outer tube; 302. a first inner tube; 303. a third inlet; 304. a third outlet; 31. a second condenser pipe; 311. a second outer tube; 312. a second inner tube; 313. a sixth inlet; 314. a sixth outlet; 32. a three-way electromagnetic valve A; 321. an interface A1; 322. an interface A2; 323. an interface A3; 33. a three-way electromagnetic valve B; 331. an interface B1; 332. an interface B2; 333. an interface B3; 34. a second inflator; 35. a multi-pass tube; 36. an alcohol sensor; 37. an air pump; 38. a condensation atomization component; 381. a condenser tank; 382. a water storage tank; 383. an eighth inlet; 384. an eighth outlet;
4. a heating assembly; 41. a chassis; 411. a tenth inlet; 412. a tenth outlet; 42. a temperature sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a continuous standard concentration gas generator includes a liquid storage assembly 1, a stirring assembly 2, a heating assembly 4 and a gas condensing assembly 3;
referring to fig. 5 and 6, the liquid storage assembly 1 includes a bottle 10 with a first cavity, a bubble tray 11 located in the first cavity, a first inlet 104 and a first outlet 105 disposed on the wall of the bottle 10 and communicated with the first cavity, the first inlet 104 being connected to a first inflator 12; the bubble disc 11 is positioned at the bottom of the first cavity, a second cavity is arranged in the bubble disc 11, a second inlet 115 and a plurality of second outlets 116 which are communicated with the second cavity and the first cavity are also arranged on the bubble disc 11, the second inlet 115 is directly connected with the first inlet 104, and the first cavity and the second cavity are communicated through the plurality of second outlets 116; after the air passes through the bubble disc 11, a large number of bubbles are generated, so that the contact surface area of the air and the solution is increased, the air is fully contacted with the solution, and the air outlet precision of the exhaled solution-containing gas is improved; it should be understood that the structure of the second inlet 115 shown in fig. 6 should not be construed as limiting the second inlet 115 of the present invention, and in fact, the pore size of the second inlet 115 in the present invention is very small, and may even be smaller than 50 microns, so when gas passes through the second inlet 115, very fine micro-bubbles with a diameter smaller than 50 microns are generated, and the very fine micro-bubbles have a slow rising speed, a long residence time and a high dissolution efficiency in the solution, which meet the requirements of the present invention for bubbles.
Referring to fig. 7, the stirring assembly 2 includes a magnetic rod 20, a motor 21, and a magnetic device 22, the magnetic rod 20 is located at the bottom of the first cavity, the motor 21 and the magnetic device 22 are located at the bottom of the outer side of the first cavity, the magnetic device 22 is connected to an output shaft of the motor 21, the magnetic device 22 is located right below the magnetic rod 20, and the magnetic rod 20 is magnetically connected to the magnetic device 22; actually, the magnetic device 22 comprises a magnet, when the motor 21 drives the magnetic device 22 to rotate, the magnet rotates along with the magnetic device to change the transmission of the magnetic field, and then the magnetic bar 20 with magnetism placed in the first cavity is pushed by the magnetic field to perform circumferential operation, so that the purpose of stirring the solution is achieved, the magnetic bar 20 rotates all the time, bubbles are dispersed in the solution, the air and the solution are easier to mix, meanwhile, the heat transfer in the solution can be increased, and the temperature of the solution is more uniform;
referring to fig. 8, the heating element 4 is located below the bottle body 10 and contacts the bottom of the bottle body 10, and the heating element 4 increases the molecular movement degree of the solution, so that the molecules of the solution easily move into the air, thereby increasing the air outlet efficiency;
referring to fig. 9 and 10, the gas condensing assembly includes a condensing and atomizing assembly 38, the condensing and atomizing assembly includes a condensing tank 381, a water storage tank 382, an atomizer, a sixth cavity has been opened in the condensing tank 381, an eighth inlet 383 communicated with the sixth cavity is provided on an outer wall of the condensing tank 381, an eighth outlet 384, the first outlet 104 is communicated with the eighth inlet, a seventh cavity has been opened in the water storage tank, a ninth outlet connected with the seventh cavity has been opened at a bottom of the water storage tank, the sixth cavity is communicated with the seventh cavity, the atomizer is connected with the ninth outlet, in an actual use process, the bottle 10 is often placed on the chassis 41, a cavity is built in the chassis 41, the condensing and atomizing assembly 38 is just placed inside the cavity of the chassis 41, a tenth inlet 411 and a tenth outlet 412 are provided on the chassis 41, the tenth inlet 411 and the eighth inlet 383 are sequentially communicated with the first outlet 104 by a hose, the condensing tank 381 is generally a metal box, after the gas containing solution enters the condensing tank 381, the excess water vapor in the gas containing solution is cooled into the condensed water to be condensed water on an inner wall of the condensing tank 381, and the condensed water storage tank 382, the condensed water is discharged from the water storage tank 382, and the atomized from the bottom of the water storage tank 41, and the atomizer.
Referring to fig. 1, the gas condensing assembly 3 includes a first condensing pipe 30, and the first condensing pipe 30 includes a first outer pipe 301 and a first inner pipe 302; the first outer tube 301 is sleeved on the first inner tube 302, a third cavity is arranged on the first outer tube 301, and a third inlet 303 and a third outlet 304 which are communicated with the third cavity are arranged on the tube wall of the first outer tube 301; the first inner pipe 302 is provided with a fourth cavity, the wall of the first inner pipe 302 is provided with a fourth inlet and a fourth outlet which are communicated with the fourth cavity, the third inlet 303 is communicated with the first outlet 105, the first condensation pipe 30 cools the excessive water vapor in the gas containing the solution into condensed water, so as to remove the excessive water vapor in the gas containing the solution.
Filling the solution into the first cavity of the bottle 10 in advance;
introducing gas into the second chamber through the first inlet 104, wherein the gas forms a plurality of bubbles through the second outlet 116 and enters the first chamber, and the bubbles contact with the solution to generate gas containing the solution; starting a motor 21 to drive a magnetic device 22 to rotate, further driving a magnetic rod 20 to rotate so as to stir the solution stored in the first cavity, and simultaneously starting a heating assembly 4 to heat the solution stored in the first cavity;
when the concentration of the gas containing the solution is at a concentration set threshold value, introducing a cold medium into the first inner tube 302, and enabling the gas containing the solution to enter the third cavity from the first outlet 105, cooling excessive water vapor in the gas containing the solution into condensed water, and outputting the gas containing the solution;
when the concentration of the gas containing the solution is lower than the concentration set threshold, the output of the heating element 4 is increased, and when the concentration of the gas containing the solution is higher than the concentration set threshold, the output of the heating element 4 is decreased.
The invention can continuously generate gas with standard concentration for a long time, can be used for continuously verifying and calibrating instruments, and can improve the output power of the heating component 4 when the concentration of the solution stored in the first cavity is reduced, so that the concentration range of the output solution gas is always within the concentration set threshold value.
Referring to fig. 5 and 6, in another embodiment, the bubble tray 11 includes an upper shell 111, a lower shell 112, a first gasket 113, and a second gasket 114, the lower shell 112 is provided with a through hole, the upper shell 111 is clamped in one end of the through hole, the second gasket 114 is attached to the other end of the through hole, the first gasket 113 is located between the upper shell 111 and the lower shell 112, a cavity defined by the upper shell 111, the lower shell 112, and the second gasket 114 is a second cavity, a second inlet 115 is provided on the lower shell 112, and a plurality of second outlets 116 are provided on the upper shell 111, the first gasket 113 seals the upper shell 111 and the lower shell 112, the second gasket 114 is used for defining a second cavity with the upper shell 111 and the lower shell 112, the gas is introduced into the second cavity from the first inlet 104, and the gas forms a plurality of bubbles through the second outlets 116 and enters the first cavity, so that a contact surface area of the air and the solution is increased, the air and the solution are sufficiently contacted, and the accuracy of the exhaled gas containing the solution is improved.
In other embodiments, the liquid storage assembly 1 further comprises a vibration cutting assembly, wherein the vibration cutting assembly comprises a vibrator, a connecting rod and a cutting net; the cutting net is located first cavity, and is located bubble dish 11 directly over, and the cutting net is connected to connecting rod one end, and the other end passes the output that bottle 10 connects the oscillator, and the vibration of oscillator is conducted the cutting net and is cut the bubble that emits once more, increases the area of contact of bubble and solution.
Referring to FIG. 8, in other embodiments, the heating element 4 includes heating wires electrically connected to the electric wires and contacting the bottom of the bottle 10, and the heating element 4 and the magnetic device 22 are disposed at the bottom of the bottle 10, so that the heating element 4 and the magnetic device 22 are disposed alternately.
In other embodiments, the heating assembly 4 further comprises a semiconductor heating sheet, the heating wire is in contact with the bottom of the bottle 10 through the semiconductor heating sheet, and the semiconductor cooling sheet is a heat transfer tool, which facilitates heat conduction.
Referring to fig. 1, in other embodiments, the gas condensing assembly 3 further includes a second condensing pipe 31, the second condensing pipe 31 includes a second outer pipe 311 and a second inner pipe 312, the second outer pipe 311 is sleeved on the second inner pipe 312, the second inner pipe 312 is provided with a fifth cavity, and a fifth inlet and a fifth outlet which are communicated with the fifth cavity are provided on a pipe wall of the second inner pipe 312; a sixth cavity is arranged on the second outer tube 311, and a sixth inlet 313 and a sixth outlet 314 which are communicated with the sixth cavity are arranged on the tube wall of the second outer tube 311; the third outlet 304 communicates with the fifth inlet. The first condensation pipe 30 is used for exchanging heat to be a cold medium, the purpose is to cool the excess water vapor in the solution-containing gas into condensed water by the first condensation pipe 30 so as to remove the excess water vapor in the solution-containing gas, and the purpose is to heat the solution-containing gas to 34-37 ℃ by the second condensation pipe 31 to better simulate the solution-containing gas exhaled by a human body.
Referring to fig. 1, in other embodiments, the stirring heating element 4 further includes a temperature sensor 42, the temperature sensor 42 is an infrared temperature sensor 42, and may also be an NTC or other temperature sensor 42, the temperature sensor 42 is disposed on the bottle cap 101, and the opaque film is wrapped on the outer surface of the bottle body 10. The bottle body 10 is made of glass, and the temperature of the bottle body 10 is observed through the lens, so that the infrared temperature sensor 42 is more accurate due to the opaque film, but external connecting wires are added.
Referring to fig. 1, in other embodiments, the gas condensing assembly 3 further includes a multi-way tube 35 and an alcohol sensor 36, a first interface of the multi-way tube 35 is communicated with a fifth outlet of the second inner tube 312, a second interface of the multi-way tube 35 is connected to the alcohol sensor 36, the alcohol sensor 36 is connected to the air pump 37, the air pump 37 pumps a portion of gas to the alcohol sensor 36 at regular time for monitoring the concentration of the solution-containing gas, but not monitoring the concentration of the solution-containing gas at any time, so that the service life of the alcohol sensor 36 can be prolonged; the third port of the multi-way tube 35 is communicated with the outside and is also an output port of the gas containing the solution. In other embodiments, the temperature and humidity sensor is a fourth interface of the multi-way tube 35.
Referring to fig. 1, in other embodiments, the gas condensing assembly 3 further includes a three-way electromagnetic valve a32 and a three-way electromagnetic valve B33, a port A1 of the three-way electromagnetic valve a32 communicates with the first outlet 105, a port A2 of the three-way electromagnetic valve a32 communicates with the third inlet 303, a port A3 of the three-way electromagnetic valve a32 communicates with the outside, when the three-way electromagnetic valve a32 is in the first working position, the port A1 communicates with the port A3, the port A2 is closed, when the three-way electromagnetic valve a32 is in the second working position, the port A2 communicates with the port A3, and the port A1 is closed; a connector B1 of the three-way electromagnetic valve B33 is communicated with the third outlet 304, a second connector of the second three-way electromagnetic valve is communicated with a fifth inlet of the second inner pipe 312, and a connector B2 of the three-way electromagnetic valve B33 is communicated with the second inflator 34; when the three-way electromagnetic valve B33 is in the first working position, the interface B1 is communicated with the interface B3, the interface B2 is disconnected, and when the three-way electromagnetic valve B33 is in the second working position, the interface B1 is communicated with the interface B2, and the interface B3 is disconnected.
Switching the three-way electromagnetic valve A32 and the three-way electromagnetic valve B33 to a second working position, starting the motor 21 to drive the magnetic device 22 to rotate, further driving the magnetic bar 20 to rotate so as to stir the solution stored in the first cavity, and simultaneously starting the electric heating wire to heat the solution stored in the first cavity; when the temperature sensor 42 detects that the real-time temperature of the solution exceeds a preset threshold value, the first inflator 12 blows air into the second cavity, the air forms a plurality of bubbles through the second outlets 116, the oscillator is started to drive the cutting net to vibrate, so that the cutting net cuts the bubbles into smaller bubbles, and the bubbles are contacted with the solution to generate gas containing the solution;
switching the three-way electromagnetic valve A32 and the three-way electromagnetic valve B33 to a first working position, introducing a cold medium into the first inner tube 302, introducing a hot medium into the second outer tube 311, cooling excess water vapor in the solution-containing gas into condensed water when the solution-containing gas passes through the first outer tube 301, heating the solution-containing gas to a concentration setting threshold value (34-37 ℃ in the embodiment) when the solution-containing gas passes through the second inner tube 312, then discharging the solution-containing gas from a third interface of the multi-way tube 35, detecting the content of alcohol in the solution-containing gas by an alcohol sensor 36, increasing the power of the electric heating wire if the alcohol in the solution-containing gas is lower than the concentration setting threshold value, and reducing the power of the electric heating wire if the temperature of the solution-containing gas is higher than the concentration setting threshold value;
when the volume of the condensed water in the first outer pipe 301 is higher than a preset water level setting threshold, the water level setting threshold is generally half the height of the first outer pipe 301, the three-way solenoid valve a32 and the three-way solenoid valve B33 are both switched to the second working position, the second inflator pump 34 is started, gas is introduced into the first outer pipe 301, the condensed water in the first outer pipe 301 is discharged from the interface A3, when all the condensed water in the first outer pipe 301 is discharged, the three-way solenoid valve a32 and the three-way solenoid valve B33 are both switched to the first working position, and the output of the gas containing the solution is continued.
The present invention has been further described with reference to specific embodiments, but it should be understood that the detailed description should not be construed as limiting the spirit and scope of the present invention, and various modifications made to the above-described embodiments by those of ordinary skill in the art after reading this specification are within the scope of the present invention.
Claims (10)
1. The continuous standard concentration gas generator is characterized by comprising a liquid storage component, a stirring component, a heating component and a gas condensation component;
the liquid storage assembly comprises a bottle body provided with a first cavity, a bubble disc positioned in the first cavity, a first inlet and a first outlet, wherein the first inlet and the first outlet are arranged on the bottle wall of the bottle body and are communicated with the first cavity; the first inlet is connected with a first inflator pump, a second cavity is arranged in the bubble disc, a second inlet and a plurality of second outlets which are communicated with the second cavity and the first cavity are also arranged on the bubble disc, the second inlet is directly connected with the first inlet, and the first cavity and the second cavity are communicated through the plurality of second outlets;
the stirring assembly comprises a magnetic rod, a motor and a magnetic device, the magnetic rod is positioned at the bottom of the first cavity, the motor and the magnetic device are positioned at the bottom of the outer side of the first cavity, the magnetic device is connected with an output shaft of the motor and positioned right below the magnetic rod, and the magnetic rod is magnetically connected with the magnetic device;
the heating component is positioned below the bottle body and is in contact with the bottom of the bottle body;
the gas condensing assembly is communicated with the first outlet.
2. The continuous standard concentration gas generator according to claim 1, wherein the bubble tray comprises an upper shell, a lower shell, a first gasket and a second gasket, the lower shell is provided with a through hole, the upper shell is clamped in one end of the through hole, the second gasket is attached to the other end of the through hole, the first gasket is positioned between the upper shell and the lower shell, a cavity surrounded by the upper shell, the lower shell and the second gasket is a second cavity, the second inlet is arranged on the lower shell, and the plurality of second outlets are arranged on the upper shell.
3. The continuous standard concentration gas generator of claim 2, wherein the liquid storage assembly further comprises a vibrating cutting assembly, the vibrating cutting assembly comprising a vibrator, a connecting rod, a cutting mesh; the cutting net is located in the first cavity and located right above the bubble disc, one end of the connecting rod is connected with the cutting net, and the other end of the connecting rod penetrates through the bottle body to be connected with the output end of the vibrator.
4. The continuous standard concentration gas generator of claim 3, wherein the heating assembly comprises a heating wire and an electric wire, the heating wire is electrically connected with the electric wire, and the heating wire is in contact with the bottom of the bottle body.
5. The continuous standard concentration gas generator according to claim 1, wherein the gas condensing assembly comprises a condensing atomization assembly, the condensing atomization assembly comprises a condensing box, a water storage tank and an atomizer, the condensing box is provided with a sixth cavity, an eighth inlet and an eighth outlet which are communicated with the sixth cavity are arranged on the outer wall of the condensing box, the first outlet is communicated with the eighth inlet, the water storage tank is provided with a seventh cavity, a ninth outlet connected with the seventh cavity is arranged at the bottom of the water storage tank, the sixth cavity is communicated with the seventh cavity, and the atomizer is connected with the ninth outlet.
6. The continuous standard concentration gas generator of claim 4, wherein the gas condensing assembly comprises a first condensing tube comprising a first outer tube and a first inner tube; the first outer pipe is sleeved on the first inner pipe, a third cavity is arranged on the first outer pipe, and a third inlet and a third outlet which are communicated with the third cavity are arranged on the pipe wall of the first outer pipe; the first inner pipe is provided with a fourth cavity, the pipe wall of the first inner pipe is provided with a fourth inlet and a fourth outlet which are communicated with the fourth cavity, and the third inlet is communicated with the first outlet.
7. The continuous standard concentration gas generator according to claim 6, wherein the gas condensing assembly further comprises a second condensing pipe, the second condensing pipe comprises a second outer pipe and a second inner pipe, the second outer pipe is sleeved on the second inner pipe, the second inner pipe is provided with a fifth cavity, and a fifth inlet and a fifth outlet which are communicated with the fifth cavity are arranged on the pipe wall of the second inner pipe; a sixth cavity is arranged on the second outer pipe, and a sixth inlet and a sixth outlet which are communicated with the sixth cavity are arranged on the pipe wall of the second outer pipe; the third outlet is communicated with the fifth inlet.
8. The continuous standard concentration gas generator according to claim 7, wherein the gas condensing assembly further comprises a three-way solenoid valve A and a three-way solenoid valve B, a port A1 of the three-way solenoid valve A is communicated with the first outlet, a port A2 of the three-way solenoid valve A is communicated with a third inlet, a port A3 of the three-way solenoid valve A is communicated with the outside, the port A1 is communicated with the port A3 and the port A2 is closed when the three-way solenoid valve A is in the first working position, the port A2 is communicated with the port A3 and the port A1 is closed when the three-way solenoid valve A is in the second working position;
a connector B1 of the three-way electromagnetic valve B is communicated with the third outlet, a second connector of the second three-way electromagnetic valve is communicated with a fifth inlet of the second inner pipe, and a connector B2 of the three-way electromagnetic valve B is communicated with a second inflator pump; when the three-way electromagnetic valve B is at a first working position, the interface B1 is communicated with the interface B3, the interface B2 is disconnected, and when the three-way electromagnetic valve B is at a second working position, the interface B1 is communicated with the interface B2, and the interface B3 is disconnected.
9. The continuous standard concentration gas generator of claim 8, wherein the gas condensing assembly further comprises a multi-way tube and an alcohol sensor, the first port of the multi-way tube is communicated with the fifth outlet of the second inner tube, the second port of the multi-way tube is connected with the alcohol sensor, and the third port of the multi-way tube is communicated with the outside.
10. A method of using a continuous standard concentration gas generator, applied to the continuous standard concentration gas generator of claim 9, the method comprising:
pouring a solution into the first cavity of the vial; switching the three-way electromagnetic valve and the three-way electromagnetic valve to a second working position, starting the motor to drive the magnetic device to rotate so as to drive the magnetic rod to rotate, so as to stir the solution stored in the first cavity, and simultaneously starting the electric heating wire to heat the solution stored in the first cavity; when the real-time temperature of the solution exceeds a preset threshold value, the first inflator pump blows air into the second cavity, the air forms a plurality of bubbles through the second outlets, the vibrator is started to drive the cutting net to vibrate, so that the cutting net cuts the bubbles into smaller bubbles, and the bubbles are contacted with the solution to generate gas containing the solution;
switching the three-way electromagnetic valve and the three-way electromagnetic valve to a first working position, introducing a cold medium into the first inner tube, introducing a hot medium into the second outer tube, cooling excessive water vapor in the solution-containing gas into condensed water when the solution-containing gas passes through the first outer tube, heating the solution-containing gas to a concentration set threshold value when the solution-containing gas passes through the second inner tube, then discharging the solution-containing gas from a third interface of the multi-pass tube, detecting the content of alcohol in the solution-containing gas by using an alcohol sensor, increasing the power of the electric heating wire if the content of alcohol in the solution-containing gas is lower than the concentration set threshold value, and reducing the power of the electric heating wire if the temperature of the solution-containing gas is higher than the concentration set threshold value;
when the volume of the condensed water in the first outer pipe is higher than a preset water level set threshold value, the three-way electromagnetic valve and the three-way electromagnetic valve are switched to a second working position, the second inflator pump is started, gas is introduced into the first outer pipe, the condensed water in the first outer pipe is discharged from the interface, and when all the condensed water in the first outer pipe is discharged, the three-way electromagnetic valve and the three-way electromagnetic valve are switched to the first working position, and the output of the gas containing the solution is continued.
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| CN107715711A (en) * | 2017-08-28 | 2018-02-23 | 深圳市好美达科技有限公司 | Proof-spirit gas generation apparatus |
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| CN113030389A (en) * | 2021-03-15 | 2021-06-25 | 河南省计量科学研究院 | Exhaled gas alcohol content detector calibrating device and calibrating method thereof |
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| GB189136A (en) * | 1921-11-15 | 1923-10-04 | Barbet & Fils & Cie E | Improved continuous process and apparatus for the production of large quantities of absolute alcohol |
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| US20130115333A1 (en) * | 2010-06-21 | 2013-05-09 | L.A.S.I. S.R.L. | Fermentation apparatus |
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| CN115575618B (en) | 2023-08-25 |
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